Hornady Superformance 5.56x45mm Ammunition, 20 Rounds CX 55Gr - 812544

Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance uses progressive propellants that take your favorite bullets to levels of performance that are simply unattainable with conventional ammunition.